100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Anatomy and Physiology: Body Tissues $7.99   Add to cart

Interview

Anatomy and Physiology: Body Tissues

 6 views  0 purchase
  • Course
  • Institution
  • Book

Lecture notes on the human body tissues covered in the book, “Essentials of Human Anatomy and Physiology” by Marieb and Keller.

Preview 2 out of 6  pages

  • June 25, 2023
  • 6
  • 2021/2022
  • Interview
  • Unknown
  • Unknown
  • Secondary school
  • 1
avatar-seller
ACE | 2021



Subject: Human Anatomy and
Physiology


Topic: Body Tissues 1. Simple epithelia
• Tissues
▪ Functions in absorption, secretion,
o Group of cells with similar structure and function
and filtration
o Four primary types:
▪ Very thin (so not suited for
I. Epithelial tissue (epithelium)
protection)
▪ Locations:
A. Simple squamous epithelium
➢ Body coverings
▪ Simple layer of flat cells
➢ Body linings
▪ Functions in diffusion,
➢ Glandular tissue (secretory functions)
filtration, or secretion in
➢ Functions:
membranes
➢ Protection
▪ Locations:
➢ Absorption
➢ usually forms
➢ Filtration
membranes
➢ Secretion
➢ Lines air sacs of the
lungs
Hallmarks of epithelial tissues:
➢ Forms walls of
✓ Cover and line body surfaces
capillaries
✓ Often form sheets with one free surface,
➢ Forms serous
the apical surface, and an anchored
membranes
surface, the basement membrane
(serosae) that line
✓ Avascular (no blood supply)
and cover the
✓ Regenerate easily if well nourished
organs in ventral
cavity
Classification of epithelia
Number of cell Shape of cells
layers
Simple — one Squamous —
layer flattened, like fish
scales
Stratified — more Cuboidal — cube-
than one layer shaped, like dice
Columnar — shaped
like columns B. Simple cuboidal epithelium
▪ Single layer of cubelike
cells
▪ Functions in secretion
and absorption; ciliated
types propel mucus or
reproductive cells
▪ Locations:


1

, ➢ Common in glands ciliated and
and their ducts known as
➢ Forms walls of pseudostratifie
kidney tubules d ciliated
➢ Covers the surface columnar
of ovaries epithelium
▪ Functions in absorption
or secretion

2. Stratified epithelia
▪ Consists of two or more cell layers




C. Simple columnar epithelium
▪ Single layer of tall cells
▪ Goblet cells secrete
mucus
▪ Functions in secretion ▪ Function primarily in protection
and absorption; ciliated A. Stratified squamous epithelium
types propel mucus or ▪ Most common stratified
reproductive cells epithelium
▪ Locations: ▪ Named for cells present at
➢ Lining of the the free (apical) surface,
digestive tract from which are squamous
stomach to anus ▪ Functions as a protective
➢ Mucous covering where friction is
membranes common
(mucosae) line body ▪ Locations
cavities opening to ➢ lining of the: Skin
the exterior (outer portion),
mouth, esophagus




D. Pseudostratified columnar
epithelium ❖ In nomenclature, we follow what’s on the apical
▪ All cells rest on a surface
basement membrane
▪ Single layer, but some B. Stratified cuboidal epithelium
cells are shorter than ▪ Two layers of cuboidal cells;
others giving a false functions in protection
(pseudo) impression of C. Stratified columnar epithelium
stratification ▪ Surface cells are columnar,
▪ Location: and cells underneath vary in
➢ respiratory size and shape; functions in
tract, where it is protection

2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller angelicaescobal. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $7.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79835 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$7.99
  • (0)
  Add to cart